koa3-demo/src/app/config/index.js

/**
 * 应用主配置文件
 * 统一管理所有配置项
 */

// 移除循环依赖，在应用启动时验证环境变量

const config = {
    base: "/",
    // 服务器配置
    server: {
        port: process.env.PORT || 3000,
        host: process.env.HOST || 'localhost',
        env: process.env.NODE_ENV || 'development'
    },

    // 安全配置
    security: {
        keys: process.env.SESSION_SECRET?.split(",").map(secret => secret.trim()) || [],
        jwtSecret: process.env.JWT_SECRET,
        saltRounds: 10
    },

    // 数据库配置
    database: {
        client: 'sqlite3',
        connection: {
            filename: process.env.DB_PATH
        },
        useNullAsDefault: true,
        migrations: {
            directory: './src/infrastructure/database/migrations'
        },
        seeds: {
            directory: './src/infrastructure/database/seeds'
        }
    },

    // 日志配置
    logger: {
        level: process.env.LOG_LEVEL || 'info',
        appenders: {
            console: {
                type: 'console'
            },
            file: {
                type: 'file',
                filename: process.env.LOG_FILE || './logs/app.log',
                maxLogSize: 10485760, // 10MB
                backups: 3
            }
        },
        categories: {
            default: {
                appenders: ['console', 'file'],
                level: process.env.LOG_LEVEL || 'info'
            }
        }
    },

    // 缓存配置
    cache: {
        type: 'memory', // 支持 'memory', 'redis'
        ttl: 300, // 默认5分钟
        redis: {
            host: process.env.REDIS_HOST || 'localhost',
            port: process.env.REDIS_PORT || 6379,
            password: process.env.REDIS_PASSWORD
        }
    },

    // 任务调度配置
    jobs: {
        enabled: process.env.JOBS_ENABLED !== 'false',
        timezone: process.env.TZ || 'Asia/Shanghai'
    },

    // 视图配置
    views: {
        extension: 'pug',
        root: './src/presentation/views',
        options: {
            basedir: './src/presentation/views'
        }
    },

    // 静态资源配置
    static: {
        root: './public',
        maxAge: process.env.NODE_ENV === 'production' ? 86400000 : 0, // 生产环境1天，开发环境不缓存
        immutable: process.env.NODE_ENV === 'production'
    }
}

export default config